X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fdigest.h;h=08c5141ac89d7c49b7be3c18a8939ceeffafa8fc;hb=4c6a9a9611442f958c3049a566ac4369653978e9;hp=6d7cb417973f4eb0f902235d822115e7bcdb3fd0;hpb=42d2dff33306beae8ddbd9cc991ad80f135950a6;p=tinc

diff --git a/src/digest.h b/src/digest.h
index 6d7cb417..08c5141a 100644
--- a/src/digest.h
+++ b/src/digest.h
@@ -3,7 +3,7 @@
 
 /*
     digest.h -- header file digest.c
-    Copyright (C) 2007-2016 Guus Sliepen <guus@tinc-vpn.org>
+    Copyright (C) 2007-2022 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -20,23 +20,36 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#include "system.h"
+
 #define DIGEST_MAX_SIZE 64
+#define DIGEST_ALGO_SIZE ((size_t) -1)
 
 #ifndef DISABLE_LEGACY
 
+#ifdef HAVE_OPENSSL
+#include "openssl/digest.h"
+#elif HAVE_LIBGCRYPT
+#include "gcrypt/digest.h"
+#else
+#error Incorrect cryptographic library, please reconfigure.
+#endif
+
 typedef struct digest digest_t;
 
-extern digest_t *digest_open_by_name(const char *name, int maclength) __attribute__((__malloc__));
-extern digest_t *digest_open_by_nid(int nid, int maclength) __attribute__((__malloc__));
+extern bool digest_open_by_name(digest_t *digest, const char *name, size_t maclength);
+extern bool digest_open_by_nid(digest_t *digest, nid_t nid, size_t maclength);
+extern void digest_free(digest_t *digest);
+extern digest_t *digest_alloc(void) ATTR_MALLOC ATTR_DEALLOCATOR(digest_free);
 extern void digest_close(digest_t *digest);
-extern bool digest_create(digest_t *digest, const void *indata, size_t inlen, void *outdata) __attribute__((__warn_unused_result__));
-extern bool digest_verify(digest_t *digest, const void *indata, size_t inlen, const void *digestdata) __attribute__((__warn_unused_result__));
-extern bool digest_set_key(digest_t *digest, const void *key, size_t len) __attribute__((__warn_unused_result__));
-extern int digest_get_nid(const digest_t *digest);
+extern bool digest_create(digest_t *digest, const void *indata, size_t inlen, void *outdata) ATTR_WARN_UNUSED;
+extern bool digest_verify(digest_t *digest, const void *indata, size_t inlen, const void *digestdata) ATTR_WARN_UNUSED;
+extern bool digest_set_key(digest_t *digest, const void *key, size_t len) ATTR_WARN_UNUSED;
+extern nid_t digest_get_nid(const digest_t *digest);
 extern size_t digest_keylength(const digest_t *digest);
 extern size_t digest_length(const digest_t *digest);
 extern bool digest_active(const digest_t *digest);
 
-#endif
+#endif // DISABLE_LEGACY
 
-#endif
+#endif // TINC_DIGEST_H